Gross Dam
Gross Dam is an earth dam located in Callaway County, Missouri, built in 1976. It carries a Low hazard potential classification.
About Gross Dam
The primary purpose of Gross Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by C&w Gross Corp (private). It impounds the Tr Prairie Fork near Big Spring.
The dam stands 30 feet tall, creates a reservoir covering 9 acres, has a maximum storage capacity of 144 acre-feet, and collects water from a drainage area of 97 square miles. Completed in 1976, the structure is 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Missouri |
| County | Callaway |
| Nearest City | Big Spring |
| River/Stream | Tr Prairie Fork |
| Coordinates | 38.83503, -91.71939 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 144 acre-ft |
| Max Storage | 144 acre-ft |
| Normal Storage | 78 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 97 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | C&W GROSS CORP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO11303 |
| Federal ID | MO11303 |
| More Info | State Dam Safety Program |